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Home > All Images > 1992 > September

September Gallery

Available as Framed Photos, Photos, Wall Art and Gift Items

Choose from 25 pictures in our September collection for your Wall Art or Photo Gift. Popular choices include Framed Photos, Canvas Prints, Posters and Jigsaw Puzzles. All professionally made for quick delivery.


19 Sep 1992 Featured September Print

19 Sep 1992

© EMPICS Sport/PA Photos

Immunofluorescent LM of neurons & astrocytes Featured September Print

Immunofluorescent LM of neurons & astrocytes

Immunofluorescent Light Micrograph of a network of neurons and astrocyte cells, in brain cortex. In the foreground, nerve fibres of neurons (green) are seen in a fine branching network. These fibres are the routes of transmission of nerve impulses. Astrocytes behind them (orange) are large star- shaped connective tissue cells; as part of the neuroglia ("nerve glue") they provide mechanical support and nutrients for the neurons. Astrocytes may take part in information storage processes. Immunofluorescence is a staining technique which uses antibodies to attach fluorescent dyes to specific tissues and to molecules within the cell. Magnification: x200 at 35mm, x375 at 6x4.5cm

© NANCY KEDERSHA/UCLA/SCIENCE PHOTO LIBRARY

View of an aurora borealis display Featured September Print

View of an aurora borealis display

View of an aurora borealis display (blue) centred on the constellation of Ursa Major. Aurorae are caused by the interaction between energetic charged particles coming from the Sun and molecules of gases in the upper atmosphere (about 100km). A stream of charged particles, known as the solar wind, flows continuously from the Sun's corona towards interplanetary space at speeds of 400-500 km/s. These particles do not reach the Earth's atmosphere due to the shielding effect of the Earth's magnetic field. However, violent solar activities such as solar flares emit highly energetic particles which penetrate this shield and ionise molecules in the atmosphere

© PEKKA PARVIAINEN/SCIENCE PHOTO LIBRARY